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Finding the Fourth Proportional to 492,243.75, 679,296.98 and 265,889.25

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Solution

The fourth proportional to 492,243.75, 679,296.98 and 265,889.25 is: 366,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,243.75 : 679,296.98 = 265,889.25 : x
  2. Step 2: Convert to fraction form
    492,243.75/679,296.98 = 265,889.25/x
  3. Step 3: Cross multiply
    492,243.75x = 679,296.98 × 265,889.25
  4. Step 4: Simplify right side
    492,243.75x = 180,617,765,204.19
  5. Step 5: Solve for x
    x = 180,617,765,204.19/492,243.75
  6. Step 6: Final answer
    x = 366,927.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.